METHOD AND CIRCUIT FOR CONTROLLING AN OUTPUT OF AN AUDIO SIGNAL OF A BATTERY-POWERED DEVICE
First Claim
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1. A method for controlling an output of an audio signal of a battery powered device, the method comprising:
- detecting a charge condition of a battery of the battery powered device, andadjusting a filtering of the audio signal in response to the detected charge condition of the battery.
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Abstract
A method and a control circuit for controlling an output of an audio signal of a battery-powered device are described.
276 Citations
24 Claims
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1. A method for controlling an output of an audio signal of a battery powered device, the method comprising:
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detecting a charge condition of a battery of the battery powered device, and adjusting a filtering of the audio signal in response to the detected charge condition of the battery. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for controlling an output of an audio signal of a battery powered device, the method comprising:
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detecting a charge condition of a battery of the battery powered device, and adjusting a dynamic range compression of the audio signal in response to the detected charge condition of the battery. - View Dependent Claims (8, 9, 10, 11)
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12. A control circuit for controlling an output of an audio signal of a battery powered device, the control circuit comprising:
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a battery input for detecting a charge condition of a battery of the battery powered device, and a filter control output for controlling an audio filter for filtering the audio signal, wherein the control circuit is configured to control the audio filter in response to the detected charge condition of the battery. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A control circuit for controlling an output of an audio signal of a battery powered device, the control circuit comprising:
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a battery input for detecting a charge condition of a battery of the battery powered device, and a compressor control output for controlling a compressor for adjusting a dynamic range compression of the audio signal, wherein the control circuit is configured to control the compressor in response to the detected charge condition of the battery. - View Dependent Claims (19, 20, 21, 22)
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23. A mobile device, comprising:
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an audio signal source configured to provide an audio signal to be output by the mobile device, a battery configured to supply the mobile device with energy, an audio filter configured to filter the audio signal, a compressor configured to adjust a dynamic range compression for the audio signal, and a control circuit comprising; a battery input coupled to the battery for detecting a charge condition of the battery, a filter control output coupled to the audio filter for controlling the audio filter, and a compressor control output coupled to the compressor for controlling the compressor, wherein the control circuit is configured to control the audio filter and the compressor in response to the detected charge condition of the battery. - View Dependent Claims (24)
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Specification